2766140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10639}}^1$

素因数の和:10661

約数の個数: 24

約数和(自身を含む): 6256320

約数和(自身を除く): 3490180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 10639, 21278, 42556, 53195, 106390, 138307, 212780, 276614, 553228, 691535, 1383070, 2766140]

約数ペア:

[(1, 2766140), (2, 1383070), (4, 691535), (5, 553228), (10, 276614), (13, 212780), (20, 138307), (26, 106390), (52, 53195), (65, 42556), (130, 21278), (260, 10639)]